helper.h
/*
* Copyright © 2009 CNRS
* Copyright © 2009-2021 Inria. All rights reserved.
* Copyright © 2009-2012 Université Bordeaux
* Copyright © 2009-2010 Cisco Systems, Inc. All rights reserved.
* See COPYING in top-level directory.
*/
#ifndef HWLOC_HELPER_H
#define HWLOC_HELPER_H
#ifndef HWLOC_H
#error Please include the main hwloc.h instead
#endif
#include <stdlib.h>
#include <errno.h>
#ifdef __cplusplus
extern "C" {
#endif
static __hwloc_inline hwloc_obj_t
hwloc_get_first_largest_obj_inside_cpuset(hwloc_topology_t topology, hwloc_const_cpuset_t set)
{
hwloc_obj_t obj = hwloc_get_root_obj(topology);
if (!hwloc_bitmap_intersects(obj->cpuset, set))
return NULL;
while (!hwloc_bitmap_isincluded(obj->cpuset, set)) {
/* while the object intersects without being included, look at its children */
hwloc_obj_t child = obj->first_child;
while (child) {
if (hwloc_bitmap_intersects(child->cpuset, set))
break;
child = child->next_sibling;
}
if (!child)
/* no child intersects, return their father */
return obj;
/* found one intersecting child, look at its children */
obj = child;
}
/* obj is included, return it */
return obj;
}
HWLOC_DECLSPEC int hwloc_get_largest_objs_inside_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set,
hwloc_obj_t * __hwloc_restrict objs, int max);
static __hwloc_inline hwloc_obj_t
hwloc_get_next_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
int depth, hwloc_obj_t prev)
{
hwloc_obj_t next = hwloc_get_next_obj_by_depth(topology, depth, prev);
if (!next)
return NULL;
while (next && (hwloc_bitmap_iszero(next->cpuset) || !hwloc_bitmap_isincluded(next->cpuset, set)))
next = next->next_cousin;
return next;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_next_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
hwloc_obj_type_t type, hwloc_obj_t prev)
{
int depth = hwloc_get_type_depth(topology, type);
if (depth == HWLOC_TYPE_DEPTH_UNKNOWN || depth == HWLOC_TYPE_DEPTH_MULTIPLE)
return NULL;
return hwloc_get_next_obj_inside_cpuset_by_depth(topology, set, depth, prev);
}
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
int depth, unsigned idx) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
int depth, unsigned idx)
{
hwloc_obj_t obj = hwloc_get_obj_by_depth (topology, depth, 0);
unsigned count = 0;
if (!obj)
return NULL;
while (obj) {
if (!hwloc_bitmap_iszero(obj->cpuset) && hwloc_bitmap_isincluded(obj->cpuset, set)) {
if (count == idx)
return obj;
count++;
}
obj = obj->next_cousin;
}
return NULL;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
hwloc_obj_type_t type, unsigned idx) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
hwloc_obj_type_t type, unsigned idx)
{
int depth = hwloc_get_type_depth(topology, type);
if (depth == HWLOC_TYPE_DEPTH_UNKNOWN || depth == HWLOC_TYPE_DEPTH_MULTIPLE)
return NULL;
return hwloc_get_obj_inside_cpuset_by_depth(topology, set, depth, idx);
}
static __hwloc_inline unsigned
hwloc_get_nbobjs_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
int depth) __hwloc_attribute_pure;
static __hwloc_inline unsigned
hwloc_get_nbobjs_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
int depth)
{
hwloc_obj_t obj = hwloc_get_obj_by_depth (topology, depth, 0);
unsigned count = 0;
if (!obj)
return 0;
while (obj) {
if (!hwloc_bitmap_iszero(obj->cpuset) && hwloc_bitmap_isincluded(obj->cpuset, set))
count++;
obj = obj->next_cousin;
}
return count;
}
static __hwloc_inline int
hwloc_get_nbobjs_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
hwloc_obj_type_t type) __hwloc_attribute_pure;
static __hwloc_inline int
hwloc_get_nbobjs_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
hwloc_obj_type_t type)
{
int depth = hwloc_get_type_depth(topology, type);
if (depth == HWLOC_TYPE_DEPTH_UNKNOWN)
return 0;
if (depth == HWLOC_TYPE_DEPTH_MULTIPLE)
return -1; /* FIXME: agregate nbobjs from different levels? */
return (int) hwloc_get_nbobjs_inside_cpuset_by_depth(topology, set, depth);
}
static __hwloc_inline int
hwloc_get_obj_index_inside_cpuset (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_const_cpuset_t set,
hwloc_obj_t obj) __hwloc_attribute_pure;
static __hwloc_inline int
hwloc_get_obj_index_inside_cpuset (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_const_cpuset_t set,
hwloc_obj_t obj)
{
int idx = 0;
if (!hwloc_bitmap_isincluded(obj->cpuset, set))
return -1;
/* count how many objects are inside the cpuset on the way from us to the beginning of the level */
while ((obj = obj->prev_cousin) != NULL)
if (!hwloc_bitmap_iszero(obj->cpuset) && hwloc_bitmap_isincluded(obj->cpuset, set))
idx++;
return idx;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_child_covering_cpuset (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_const_cpuset_t set,
hwloc_obj_t parent) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_child_covering_cpuset (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_const_cpuset_t set,
hwloc_obj_t parent)
{
hwloc_obj_t child;
if (hwloc_bitmap_iszero(set))
return NULL;
child = parent->first_child;
while (child) {
if (child->cpuset && hwloc_bitmap_isincluded(set, child->cpuset))
return child;
child = child->next_sibling;
}
return NULL;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set)
{
struct hwloc_obj *current = hwloc_get_root_obj(topology);
if (hwloc_bitmap_iszero(set) || !hwloc_bitmap_isincluded(set, current->cpuset))
return NULL;
while (1) {
hwloc_obj_t child = hwloc_get_child_covering_cpuset(topology, set, current);
if (!child)
return current;
current = child;
}
}
static __hwloc_inline hwloc_obj_t
hwloc_get_next_obj_covering_cpuset_by_depth(hwloc_topology_t topology, hwloc_const_cpuset_t set,
int depth, hwloc_obj_t prev)
{
hwloc_obj_t next = hwloc_get_next_obj_by_depth(topology, depth, prev);
if (!next)
return NULL;
while (next && !hwloc_bitmap_intersects(set, next->cpuset))
next = next->next_cousin;
return next;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_next_obj_covering_cpuset_by_type(hwloc_topology_t topology, hwloc_const_cpuset_t set,
hwloc_obj_type_t type, hwloc_obj_t prev)
{
int depth = hwloc_get_type_depth(topology, type);
if (depth == HWLOC_TYPE_DEPTH_UNKNOWN || depth == HWLOC_TYPE_DEPTH_MULTIPLE)
return NULL;
return hwloc_get_next_obj_covering_cpuset_by_depth(topology, set, depth, prev);
}
static __hwloc_inline hwloc_obj_t
hwloc_get_ancestor_obj_by_depth (hwloc_topology_t topology __hwloc_attribute_unused, int depth, hwloc_obj_t obj) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_ancestor_obj_by_depth (hwloc_topology_t topology __hwloc_attribute_unused, int depth, hwloc_obj_t obj)
{
hwloc_obj_t ancestor = obj;
if (obj->depth < depth)
return NULL;
while (ancestor && ancestor->depth > depth)
ancestor = ancestor->parent;
return ancestor;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_ancestor_obj_by_type (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_type_t type, hwloc_obj_t obj) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_ancestor_obj_by_type (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_type_t type, hwloc_obj_t obj)
{
hwloc_obj_t ancestor = obj->parent;
while (ancestor && ancestor->type != type)
ancestor = ancestor->parent;
return ancestor;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_common_ancestor_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj1, hwloc_obj_t obj2) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_common_ancestor_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj1, hwloc_obj_t obj2)
{
/* the loop isn't so easy since intermediate ancestors may have
* different depth, causing us to alternate between using obj1->parent
* and obj2->parent. Also, even if at some point we find ancestors of
* of the same depth, their ancestors may have different depth again.
*/
while (obj1 != obj2) {
while (obj1->depth > obj2->depth)
obj1 = obj1->parent;
while (obj2->depth > obj1->depth)
obj2 = obj2->parent;
if (obj1 != obj2 && obj1->depth == obj2->depth) {
obj1 = obj1->parent;
obj2 = obj2->parent;
}
}
return obj1;
}
static __hwloc_inline int
hwloc_obj_is_in_subtree (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj, hwloc_obj_t subtree_root) __hwloc_attribute_pure;
static __hwloc_inline int
hwloc_obj_is_in_subtree (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj, hwloc_obj_t subtree_root)
{
return obj->cpuset && subtree_root->cpuset && hwloc_bitmap_isincluded(obj->cpuset, subtree_root->cpuset);
}
static __hwloc_inline hwloc_obj_t
hwloc_get_next_child (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t parent, hwloc_obj_t prev)
{
hwloc_obj_t obj;
int state = 0;
if (prev) {
if (prev->type == HWLOC_OBJ_MISC)
state = 3;
else if (prev->type == HWLOC_OBJ_BRIDGE || prev->type == HWLOC_OBJ_PCI_DEVICE || prev->type == HWLOC_OBJ_OS_DEVICE)
state = 2;
else if (prev->type == HWLOC_OBJ_NUMANODE)
state = 1;
obj = prev->next_sibling;
} else {
obj = parent->first_child;
}
if (!obj && state == 0) {
obj = parent->memory_first_child;
state = 1;
}
if (!obj && state == 1) {
obj = parent->io_first_child;
state = 2;
}
if (!obj && state == 2) {
obj = parent->misc_first_child;
state = 3;
}
return obj;
}
HWLOC_DECLSPEC int
hwloc_obj_type_is_normal(hwloc_obj_type_t type);
HWLOC_DECLSPEC int
hwloc_obj_type_is_io(hwloc_obj_type_t type);
HWLOC_DECLSPEC int
hwloc_obj_type_is_memory(hwloc_obj_type_t type);
HWLOC_DECLSPEC int
hwloc_obj_type_is_cache(hwloc_obj_type_t type);
HWLOC_DECLSPEC int
hwloc_obj_type_is_dcache(hwloc_obj_type_t type);
HWLOC_DECLSPEC int
hwloc_obj_type_is_icache(hwloc_obj_type_t type);
static __hwloc_inline int
hwloc_get_cache_type_depth (hwloc_topology_t topology,
unsigned cachelevel, hwloc_obj_cache_type_t cachetype)
{
int depth;
int found = HWLOC_TYPE_DEPTH_UNKNOWN;
for (depth=0; ; depth++) {
hwloc_obj_t obj = hwloc_get_obj_by_depth(topology, depth, 0);
if (!obj)
break;
if (!hwloc_obj_type_is_dcache(obj->type) || obj->attr->cache.depth != cachelevel)
/* doesn't match, try next depth */
continue;
if (cachetype == (hwloc_obj_cache_type_t) -1) {
if (found != HWLOC_TYPE_DEPTH_UNKNOWN) {
/* second match, return MULTIPLE */
return HWLOC_TYPE_DEPTH_MULTIPLE;
}
/* first match, mark it as found */
found = depth;
continue;
}
if (obj->attr->cache.type == cachetype || obj->attr->cache.type == HWLOC_OBJ_CACHE_UNIFIED)
/* exact match (either unified is alone, or we match instruction or data), return immediately */
return depth;
}
/* went to the bottom, return what we found */
return found;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_cache_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_cache_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set)
{
hwloc_obj_t current = hwloc_get_obj_covering_cpuset(topology, set);
while (current) {
if (hwloc_obj_type_is_dcache(current->type))
return current;
current = current->parent;
}
return NULL;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_shared_cache_covering_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_shared_cache_covering_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj)
{
hwloc_obj_t current = obj->parent;
if (!obj->cpuset)
return NULL;
while (current) {
if (!hwloc_bitmap_isequal(current->cpuset, obj->cpuset)
&& hwloc_obj_type_is_dcache(current->type))
return current;
current = current->parent;
}
return NULL;
}
HWLOC_DECLSPEC int hwloc_bitmap_singlify_per_core(hwloc_topology_t topology, hwloc_bitmap_t cpuset, unsigned which);
static __hwloc_inline hwloc_obj_t
hwloc_get_pu_obj_by_os_index(hwloc_topology_t topology, unsigned os_index) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_pu_obj_by_os_index(hwloc_topology_t topology, unsigned os_index)
{
hwloc_obj_t obj = NULL;
while ((obj = hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_PU, obj)) != NULL)
if (obj->os_index == os_index)
return obj;
return NULL;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_numanode_obj_by_os_index(hwloc_topology_t topology, unsigned os_index) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_numanode_obj_by_os_index(hwloc_topology_t topology, unsigned os_index)
{
hwloc_obj_t obj = NULL;
while ((obj = hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_NUMANODE, obj)) != NULL)
if (obj->os_index == os_index)
return obj;
return NULL;
}
/* TODO: rather provide an iterator? Provide a way to know how much should be allocated? By returning the total number of objects instead? */
HWLOC_DECLSPEC unsigned hwloc_get_closest_objs (hwloc_topology_t topology, hwloc_obj_t src, hwloc_obj_t * __hwloc_restrict objs, unsigned max);
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_below_by_type (hwloc_topology_t topology,
hwloc_obj_type_t type1, unsigned idx1,
hwloc_obj_type_t type2, unsigned idx2) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_below_by_type (hwloc_topology_t topology,
hwloc_obj_type_t type1, unsigned idx1,
hwloc_obj_type_t type2, unsigned idx2)
{
hwloc_obj_t obj;
obj = hwloc_get_obj_by_type (topology, type1, idx1);
if (!obj)
return NULL;
return hwloc_get_obj_inside_cpuset_by_type(topology, obj->cpuset, type2, idx2);
}
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_below_array_by_type (hwloc_topology_t topology, int nr, hwloc_obj_type_t *typev, unsigned *idxv) __hwloc_attribute_pure;
static __hwloc_inline hwloc_obj_t
hwloc_get_obj_below_array_by_type (hwloc_topology_t topology, int nr, hwloc_obj_type_t *typev, unsigned *idxv)
{
hwloc_obj_t obj = hwloc_get_root_obj(topology);
int i;
for(i=0; i<nr; i++) {
if (!obj)
return NULL;
obj = hwloc_get_obj_inside_cpuset_by_type(topology, obj->cpuset, typev[i], idxv[i]);
}
return obj;
}
HWLOC_DECLSPEC hwloc_obj_t
hwloc_get_obj_with_same_locality(hwloc_topology_t topology, hwloc_obj_t src,
hwloc_obj_type_t type, const char *subtype, const char *nameprefix,
unsigned long flags);
enum hwloc_distrib_flags_e {
HWLOC_DISTRIB_FLAG_REVERSE = (1UL<<0)
};
static __hwloc_inline int
hwloc_distrib(hwloc_topology_t topology,
hwloc_obj_t *roots, unsigned n_roots,
hwloc_cpuset_t *set,
unsigned n,
int until, unsigned long flags)
{
unsigned i;
unsigned tot_weight;
unsigned given, givenweight;
hwloc_cpuset_t *cpusetp = set;
if (flags & ~HWLOC_DISTRIB_FLAG_REVERSE) {
errno = EINVAL;
return -1;
}
tot_weight = 0;
for (i = 0; i < n_roots; i++)
tot_weight += (unsigned) hwloc_bitmap_weight(roots[i]->cpuset);
for (i = 0, given = 0, givenweight = 0; i < n_roots; i++) {
unsigned chunk, weight;
hwloc_obj_t root = roots[flags & HWLOC_DISTRIB_FLAG_REVERSE ? n_roots-1-i : i];
hwloc_cpuset_t cpuset = root->cpuset;
while (!hwloc_obj_type_is_normal(root->type))
/* If memory/io/misc, walk up to normal parent */
root = root->parent;
weight = (unsigned) hwloc_bitmap_weight(cpuset);
if (!weight)
continue;
/* Give to root a chunk proportional to its weight.
* If previous chunks got rounded-up, we may get a bit less. */
chunk = (( (givenweight+weight) * n + tot_weight-1) / tot_weight)
- (( givenweight * n + tot_weight-1) / tot_weight);
if (!root->arity || chunk <= 1 || root->depth >= until) {
/* We can't split any more, put everything there. */
if (chunk) {
/* Fill cpusets with ours */
unsigned j;
for (j=0; j < chunk; j++)
cpusetp[j] = hwloc_bitmap_dup(cpuset);
} else {
/* We got no chunk, just merge our cpuset to a previous one
* (the first chunk cannot be empty)
* so that this root doesn't get ignored.
*/
assert(given);
hwloc_bitmap_or(cpusetp[-1], cpusetp[-1], cpuset);
}
} else {
/* Still more to distribute, recurse into children */
hwloc_distrib(topology, root->children, root->arity, cpusetp, chunk, until, flags);
}
cpusetp += chunk;
given += chunk;
givenweight += weight;
}
return 0;
}
HWLOC_DECLSPEC hwloc_const_cpuset_t
hwloc_topology_get_complete_cpuset(hwloc_topology_t topology) __hwloc_attribute_pure;
HWLOC_DECLSPEC hwloc_const_cpuset_t
hwloc_topology_get_topology_cpuset(hwloc_topology_t topology) __hwloc_attribute_pure;
HWLOC_DECLSPEC hwloc_const_cpuset_t
hwloc_topology_get_allowed_cpuset(hwloc_topology_t topology) __hwloc_attribute_pure;
HWLOC_DECLSPEC hwloc_const_nodeset_t
hwloc_topology_get_complete_nodeset(hwloc_topology_t topology) __hwloc_attribute_pure;
HWLOC_DECLSPEC hwloc_const_nodeset_t
hwloc_topology_get_topology_nodeset(hwloc_topology_t topology) __hwloc_attribute_pure;
HWLOC_DECLSPEC hwloc_const_nodeset_t
hwloc_topology_get_allowed_nodeset(hwloc_topology_t topology) __hwloc_attribute_pure;
static __hwloc_inline int
hwloc_cpuset_to_nodeset(hwloc_topology_t topology, hwloc_const_cpuset_t _cpuset, hwloc_nodeset_t nodeset)
{
int depth = hwloc_get_type_depth(topology, HWLOC_OBJ_NUMANODE);
hwloc_obj_t obj = NULL;
assert(depth != HWLOC_TYPE_DEPTH_UNKNOWN);
hwloc_bitmap_zero(nodeset);
while ((obj = hwloc_get_next_obj_covering_cpuset_by_depth(topology, _cpuset, depth, obj)) != NULL)
if (hwloc_bitmap_set(nodeset, obj->os_index) < 0)
return -1;
return 0;
}
static __hwloc_inline int
hwloc_cpuset_from_nodeset(hwloc_topology_t topology, hwloc_cpuset_t _cpuset, hwloc_const_nodeset_t nodeset)
{
int depth = hwloc_get_type_depth(topology, HWLOC_OBJ_NUMANODE);
hwloc_obj_t obj = NULL;
assert(depth != HWLOC_TYPE_DEPTH_UNKNOWN);
hwloc_bitmap_zero(_cpuset);
while ((obj = hwloc_get_next_obj_by_depth(topology, depth, obj)) != NULL) {
if (hwloc_bitmap_isset(nodeset, obj->os_index))
/* no need to check obj->cpuset because objects in levels always have a cpuset */
if (hwloc_bitmap_or(_cpuset, _cpuset, obj->cpuset) < 0)
return -1;
}
return 0;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_non_io_ancestor_obj(hwloc_topology_t topology __hwloc_attribute_unused,
hwloc_obj_t ioobj)
{
hwloc_obj_t obj = ioobj;
while (obj && !obj->cpuset) {
obj = obj->parent;
}
return obj;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_next_pcidev(hwloc_topology_t topology, hwloc_obj_t prev)
{
return hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_PCI_DEVICE, prev);
}
static __hwloc_inline hwloc_obj_t
hwloc_get_pcidev_by_busid(hwloc_topology_t topology,
unsigned domain, unsigned bus, unsigned dev, unsigned func)
{
hwloc_obj_t obj = NULL;
while ((obj = hwloc_get_next_pcidev(topology, obj)) != NULL) {
if (obj->attr->pcidev.domain == domain
&& obj->attr->pcidev.bus == bus
&& obj->attr->pcidev.dev == dev
&& obj->attr->pcidev.func == func)
return obj;
}
return NULL;
}
static __hwloc_inline hwloc_obj_t
hwloc_get_pcidev_by_busidstring(hwloc_topology_t topology, const char *busid)
{
unsigned domain = 0; /* default */
unsigned bus, dev, func;
if (sscanf(busid, "%x:%x.%x", &bus, &dev, &func) != 3
&& sscanf(busid, "%x:%x:%x.%x", &domain, &bus, &dev, &func) != 4) {
errno = EINVAL;
return NULL;
}
return hwloc_get_pcidev_by_busid(topology, domain, bus, dev, func);
}
static __hwloc_inline hwloc_obj_t
hwloc_get_next_osdev(hwloc_topology_t topology, hwloc_obj_t prev)
{
return hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_OS_DEVICE, prev);
}
static __hwloc_inline hwloc_obj_t
hwloc_get_next_bridge(hwloc_topology_t topology, hwloc_obj_t prev)
{
return hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_BRIDGE, prev);
}
/* \brief Checks whether a given bridge covers a given PCI bus.
*/
static __hwloc_inline int
hwloc_bridge_covers_pcibus(hwloc_obj_t bridge,
unsigned domain, unsigned bus)
{
return bridge->type == HWLOC_OBJ_BRIDGE
&& bridge->attr->bridge.downstream_type == HWLOC_OBJ_BRIDGE_PCI
&& bridge->attr->bridge.downstream.pci.domain == domain
&& bridge->attr->bridge.downstream.pci.secondary_bus <= bus
&& bridge->attr->bridge.downstream.pci.subordinate_bus >= bus;
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* HWLOC_HELPER_H */
hwloc_const_cpuset_t
hwloc_const_bitmap_t hwloc_const_cpuset_t
A non-modifiable hwloc_cpuset_t.
Definition: hwloc.h:142
hwloc_const_nodeset_t
hwloc_const_bitmap_t hwloc_const_nodeset_t
A non-modifiable hwloc_nodeset_t.
Definition: hwloc.h:160
hwloc_nodeset_t
hwloc_bitmap_t hwloc_nodeset_t
A node set is a bitmap whose bits are set according to NUMA memory node physical OS indexes.
Definition: hwloc.h:157
hwloc_cpuset_t
hwloc_bitmap_t hwloc_cpuset_t
A CPU set is a bitmap whose bits are set according to CPU physical OS indexes.
Definition: hwloc.h:140
hwloc_obj_cache_type_t
enum hwloc_obj_cache_type_e hwloc_obj_cache_type_t
Cache type.
hwloc_obj_type_t
hwloc_obj_type_t
Type of topology object.
Definition: hwloc.h:176
HWLOC_OBJ_BRIDGE_PCI
@ HWLOC_OBJ_BRIDGE_PCI
PCI-side of a bridge.
Definition: hwloc.h:335
HWLOC_OBJ_CACHE_UNIFIED
@ HWLOC_OBJ_CACHE_UNIFIED
Unified cache.
Definition: hwloc.h:327
HWLOC_OBJ_MISC
@ HWLOC_OBJ_MISC
Miscellaneous objects (filtered out by default). Objects without particular meaning,...
Definition: hwloc.h:290
HWLOC_OBJ_OS_DEVICE
@ HWLOC_OBJ_OS_DEVICE
Operating system device (filtered out by default).
Definition: hwloc.h:279
HWLOC_OBJ_PCI_DEVICE
@ HWLOC_OBJ_PCI_DEVICE
PCI device (filtered out by default).
Definition: hwloc.h:269
HWLOC_OBJ_BRIDGE
@ HWLOC_OBJ_BRIDGE
Bridge (filtered out by default). Any bridge (or PCI switch) that connects the host or an I/O bus,...
Definition: hwloc.h:257
HWLOC_OBJ_NUMANODE
@ HWLOC_OBJ_NUMANODE
NUMA node. An object that contains memory that is directly and byte-accessible to the host processors...
Definition: hwloc.h:236
HWLOC_OBJ_PU
@ HWLOC_OBJ_PU
Processing Unit, or (Logical) Processor. An execution unit (may share a core with some other logical ...
Definition: hwloc.h:201
hwloc_topology_t
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:692
hwloc_get_root_obj
static hwloc_obj_t hwloc_get_root_obj(hwloc_topology_t topology)
Returns the top-object of the topology-tree.
hwloc_get_obj_by_depth
hwloc_obj_t hwloc_get_obj_by_depth(hwloc_topology_t topology, int depth, unsigned idx)
Returns the topology object at logical index idx from depth depth.
hwloc_get_obj_by_type
static hwloc_obj_t hwloc_get_obj_by_type(hwloc_topology_t topology, hwloc_obj_type_t type, unsigned idx)
Returns the topology object at logical index idx with type type.
hwloc_get_next_obj_by_type
static hwloc_obj_t hwloc_get_next_obj_by_type(hwloc_topology_t topology, hwloc_obj_type_t type, hwloc_obj_t prev)
Returns the next object of type type.
hwloc_get_type_depth
int hwloc_get_type_depth(hwloc_topology_t topology, hwloc_obj_type_t type)
Returns the depth of objects of type type.
hwloc_get_next_obj_by_depth
static hwloc_obj_t hwloc_get_next_obj_by_depth(hwloc_topology_t topology, int depth, hwloc_obj_t prev)
Returns the next object at depth depth.
HWLOC_TYPE_DEPTH_UNKNOWN
@ HWLOC_TYPE_DEPTH_UNKNOWN
No object of given type exists in the topology.
Definition: hwloc.h:822
HWLOC_TYPE_DEPTH_MULTIPLE
@ HWLOC_TYPE_DEPTH_MULTIPLE
Objects of given type exist at different depth in the topology (only for Groups).
Definition: hwloc.h:823
hwloc_get_nbobjs_inside_cpuset_by_type
static int hwloc_get_nbobjs_inside_cpuset_by_type(hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_type_t type)
Return the number of objects of type type included in CPU set set.
Definition: helper.h:216
hwloc_get_obj_inside_cpuset_by_type
static hwloc_obj_t hwloc_get_obj_inside_cpuset_by_type(hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_type_t type, unsigned idx)
Return the idx -th object of type type included in CPU set set.
Definition: helper.h:164
hwloc_get_largest_objs_inside_cpuset
int hwloc_get_largest_objs_inside_cpuset(hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_t *restrict objs, int max)
Get the set of largest objects covering exactly a given cpuset set.
hwloc_get_obj_index_inside_cpuset
static int hwloc_get_obj_index_inside_cpuset(hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_t obj)
Return the logical index among the objects included in CPU set set.
Definition: helper.h:244
hwloc_get_first_largest_obj_inside_cpuset
static hwloc_obj_t hwloc_get_first_largest_obj_inside_cpuset(hwloc_topology_t topology, hwloc_const_cpuset_t set)
Get the first largest object included in the given cpuset set.
Definition: helper.h:42
hwloc_get_next_obj_inside_cpuset_by_depth
static hwloc_obj_t hwloc_get_next_obj_inside_cpuset_by_depth(hwloc_topology_t topology, hwloc_const_cpuset_t set, int depth, hwloc_obj_t prev)
Return the next object at depth depth included in CPU set set.
Definition: helper.h:85
hwloc_get_nbobjs_inside_cpuset_by_depth
static unsigned hwloc_get_nbobjs_inside_cpuset_by_depth(hwloc_topology_t topology, hwloc_const_cpuset_t set, int depth)
Return the number of objects at depth depth included in CPU set set.
Definition: helper.h:185
hwloc_get_obj_inside_cpuset_by_depth
static hwloc_obj_t hwloc_get_obj_inside_cpuset_by_depth(hwloc_topology_t topology, hwloc_const_cpuset_t set, int depth, unsigned idx)
Return the (logically) idx -th object at depth depth included in CPU set set.
Definition: helper.h:130
hwloc_get_next_obj_inside_cpuset_by_type
static hwloc_obj_t hwloc_get_next_obj_inside_cpuset_by_type(hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_type_t type, hwloc_obj_t prev)
Return the next object of type type included in CPU set set.
Definition: helper.h:109
hwloc_get_child_covering_cpuset
static hwloc_obj_t hwloc_get_child_covering_cpuset(hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_t parent)
Get the child covering at least CPU set set.
Definition: helper.h:275
hwloc_get_obj_covering_cpuset
static hwloc_obj_t hwloc_get_obj_covering_cpuset(hwloc_topology_t topology, hwloc_const_cpuset_t set)
Get the lowest object covering at least CPU set set.
Definition: helper.h:297
hwloc_get_next_obj_covering_cpuset_by_type
static hwloc_obj_t hwloc_get_next_obj_covering_cpuset_by_type(hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_type_t type, hwloc_obj_t prev)
Iterate through same-type objects covering at least CPU set set.
Definition: helper.h:348
hwloc_get_next_obj_covering_cpuset_by_depth
static hwloc_obj_t hwloc_get_next_obj_covering_cpuset_by_depth(hwloc_topology_t topology, hwloc_const_cpuset_t set, int depth, hwloc_obj_t prev)
Iterate through same-depth objects covering at least CPU set set.
Definition: helper.h:321
hwloc_get_next_child
static hwloc_obj_t hwloc_get_next_child(hwloc_topology_t topology, hwloc_obj_t parent, hwloc_obj_t prev)
Return the next child.
Definition: helper.h:456
hwloc_obj_is_in_subtree
static int hwloc_obj_is_in_subtree(hwloc_topology_t topology, hwloc_obj_t obj, hwloc_obj_t subtree_root)
Returns true if obj is inside the subtree beginning with ancestor object subtree_root.
Definition: helper.h:440
hwloc_get_ancestor_obj_by_type
static hwloc_obj_t hwloc_get_ancestor_obj_by_type(hwloc_topology_t topology, hwloc_obj_type_t type, hwloc_obj_t obj)
Returns the ancestor object of obj with type type.
Definition: helper.h:400
hwloc_get_ancestor_obj_by_depth
static hwloc_obj_t hwloc_get_ancestor_obj_by_depth(hwloc_topology_t topology, int depth, hwloc_obj_t obj)
Returns the ancestor object of obj at depth depth.
Definition: helper.h:380
hwloc_get_common_ancestor_obj
static hwloc_obj_t hwloc_get_common_ancestor_obj(hwloc_topology_t topology, hwloc_obj_t obj1, hwloc_obj_t obj2)
Returns the common parent object to objects obj1 and obj2.
Definition: helper.h:412
hwloc_obj_type_is_memory
int hwloc_obj_type_is_memory(hwloc_obj_type_t type)
Check whether an object type is Memory.
hwloc_obj_type_is_cache
int hwloc_obj_type_is_cache(hwloc_obj_type_t type)
Check whether an object type is a CPU Cache (Data, Unified or Instruction).
hwloc_obj_type_is_dcache
int hwloc_obj_type_is_dcache(hwloc_obj_type_t type)
Check whether an object type is a CPU Data or Unified Cache.
hwloc_obj_type_is_normal
int hwloc_obj_type_is_normal(hwloc_obj_type_t type)
Check whether an object type is Normal.
hwloc_obj_type_is_icache
int hwloc_obj_type_is_icache(hwloc_obj_type_t type)
Check whether an object type is a CPU Instruction Cache,.
hwloc_obj_type_is_io
int hwloc_obj_type_is_io(hwloc_obj_type_t type)
Check whether an object type is I/O.
hwloc_get_shared_cache_covering_obj
static hwloc_obj_t hwloc_get_shared_cache_covering_obj(hwloc_topology_t topology, hwloc_obj_t obj)
Get the first data (or unified) cache shared between an object and somebody else.
Definition: helper.h:648
hwloc_get_cache_covering_cpuset
static hwloc_obj_t hwloc_get_cache_covering_cpuset(hwloc_topology_t topology, hwloc_const_cpuset_t set)
Get the first data (or unified) cache covering a cpuset set.
Definition: helper.h:630
hwloc_get_cache_type_depth
static int hwloc_get_cache_type_depth(hwloc_topology_t topology, unsigned cachelevel, hwloc_obj_cache_type_t cachetype)
Find the depth of cache objects matching cache level and type.
Definition: helper.h:594
hwloc_bitmap_singlify_per_core
int hwloc_bitmap_singlify_per_core(hwloc_topology_t topology, hwloc_bitmap_t cpuset, unsigned which)
Remove simultaneous multithreading PUs from a CPU set.
hwloc_get_closest_objs
unsigned hwloc_get_closest_objs(hwloc_topology_t topology, hwloc_obj_t src, hwloc_obj_t *restrict objs, unsigned max)
Do a depth-first traversal of the topology to find and sort.
hwloc_get_pu_obj_by_os_index
static hwloc_obj_t hwloc_get_pu_obj_by_os_index(hwloc_topology_t topology, unsigned os_index)
Returns the object of type HWLOC_OBJ_PU with os_index.
Definition: helper.h:705
hwloc_get_obj_below_by_type
static hwloc_obj_t hwloc_get_obj_below_by_type(hwloc_topology_t topology, hwloc_obj_type_t type1, unsigned idx1, hwloc_obj_type_t type2, unsigned idx2)
Find an object below another object, both specified by types and indexes.
Definition: helper.h:766
hwloc_get_obj_with_same_locality
hwloc_obj_t hwloc_get_obj_with_same_locality(hwloc_topology_t topology, hwloc_obj_t src, hwloc_obj_type_t type, const char *subtype, const char *nameprefix, unsigned long flags)
Return an object of a different type with same locality.
hwloc_get_numanode_obj_by_os_index
static hwloc_obj_t hwloc_get_numanode_obj_by_os_index(hwloc_topology_t topology, unsigned os_index)
Returns the object of type HWLOC_OBJ_NUMANODE with os_index.
Definition: helper.h:726
hwloc_get_obj_below_array_by_type
static hwloc_obj_t hwloc_get_obj_below_array_by_type(hwloc_topology_t topology, int nr, hwloc_obj_type_t *typev, unsigned *idxv)
Find an object below a chain of objects specified by types and indexes.
Definition: helper.h:798
hwloc_distrib
static int hwloc_distrib(hwloc_topology_t topology, hwloc_obj_t *roots, unsigned n_roots, hwloc_cpuset_t *set, unsigned n, int until, unsigned long flags)
Distribute n items over the topology under roots.
Definition: helper.h:894
hwloc_distrib_flags_e
hwloc_distrib_flags_e
Flags to be given to hwloc_distrib().
Definition: helper.h:863
HWLOC_DISTRIB_FLAG_REVERSE
@ HWLOC_DISTRIB_FLAG_REVERSE
Distrib in reverse order, starting from the last objects.
Definition: helper.h:867
hwloc_topology_get_allowed_nodeset
hwloc_const_nodeset_t hwloc_topology_get_allowed_nodeset(hwloc_topology_t topology)
Get allowed node set.
hwloc_topology_get_topology_nodeset
hwloc_const_nodeset_t hwloc_topology_get_topology_nodeset(hwloc_topology_t topology)
Get topology node set.
hwloc_topology_get_allowed_cpuset
hwloc_const_cpuset_t hwloc_topology_get_allowed_cpuset(hwloc_topology_t topology)
Get allowed CPU set.
hwloc_topology_get_complete_nodeset
hwloc_const_nodeset_t hwloc_topology_get_complete_nodeset(hwloc_topology_t topology)
Get complete node set.
hwloc_topology_get_topology_cpuset
hwloc_const_cpuset_t hwloc_topology_get_topology_cpuset(hwloc_topology_t topology)
Get topology CPU set.
hwloc_topology_get_complete_cpuset
hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)
Get complete CPU set.
hwloc_cpuset_to_nodeset
static int hwloc_cpuset_to_nodeset(hwloc_topology_t topology, hwloc_const_cpuset_t _cpuset, hwloc_nodeset_t nodeset)
Convert a CPU set into a NUMA node set.
Definition: helper.h:1074
hwloc_cpuset_from_nodeset
static int hwloc_cpuset_from_nodeset(hwloc_topology_t topology, hwloc_cpuset_t _cpuset, hwloc_const_nodeset_t nodeset)
Convert a NUMA node set into a CPU set.
Definition: helper.h:1098
hwloc_bridge_covers_pcibus
static int hwloc_bridge_covers_pcibus(hwloc_obj_t bridge, unsigned domain, unsigned bus)
Definition: helper.h:1212
hwloc_get_pcidev_by_busidstring
static hwloc_obj_t hwloc_get_pcidev_by_busidstring(hwloc_topology_t topology, const char *busid)
Find the PCI device object matching the PCI bus id given as a string xxxx:yy:zz.t or yy:zz....
Definition: helper.h:1175
hwloc_get_next_pcidev
static hwloc_obj_t hwloc_get_next_pcidev(hwloc_topology_t topology, hwloc_obj_t prev)
Get the next PCI device in the system.
Definition: helper.h:1148
hwloc_get_next_osdev
static hwloc_obj_t hwloc_get_next_osdev(hwloc_topology_t topology, hwloc_obj_t prev)
Get the next OS device in the system.
Definition: helper.h:1194
hwloc_get_next_bridge
static hwloc_obj_t hwloc_get_next_bridge(hwloc_topology_t topology, hwloc_obj_t prev)
Get the next bridge in the system.
Definition: helper.h:1204
hwloc_get_pcidev_by_busid
static hwloc_obj_t hwloc_get_pcidev_by_busid(hwloc_topology_t topology, unsigned domain, unsigned bus, unsigned dev, unsigned func)
Find the PCI device object matching the PCI bus id given domain, bus device and function PCI bus id.
Definition: helper.h:1157
hwloc_get_non_io_ancestor_obj
static hwloc_obj_t hwloc_get_non_io_ancestor_obj(hwloc_topology_t topology, hwloc_obj_t ioobj)
Get the first non-I/O ancestor object.
Definition: helper.h:1133
hwloc_bitmap_weight
int hwloc_bitmap_weight(hwloc_const_bitmap_t bitmap)
Compute the "weight" of bitmap bitmap (i.e., number of indexes that are in the bitmap).
hwloc_bitmap_isincluded
int hwloc_bitmap_isincluded(hwloc_const_bitmap_t sub_bitmap, hwloc_const_bitmap_t super_bitmap)
Test whether bitmap sub_bitmap is part of bitmap super_bitmap.
hwloc_bitmap_set
int hwloc_bitmap_set(hwloc_bitmap_t bitmap, unsigned id)
Add index id in bitmap bitmap.
hwloc_bitmap_isset
int hwloc_bitmap_isset(hwloc_const_bitmap_t bitmap, unsigned id)
Test whether index id is part of bitmap bitmap.
hwloc_bitmap_or
int hwloc_bitmap_or(hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)
Or bitmaps bitmap1 and bitmap2 and store the result in bitmap res.
hwloc_bitmap_isequal
int hwloc_bitmap_isequal(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)
Test whether bitmap bitmap1 is equal to bitmap bitmap2.
hwloc_bitmap_iszero
int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)
Test whether bitmap bitmap is empty.
hwloc_bitmap_t
struct hwloc_bitmap_s * hwloc_bitmap_t
Set of bits represented as an opaque pointer to an internal bitmap.
Definition: bitmap.h:68
hwloc_bitmap_zero
void hwloc_bitmap_zero(hwloc_bitmap_t bitmap)
Empty the bitmap bitmap.
hwloc_bitmap_dup
hwloc_bitmap_t hwloc_bitmap_dup(hwloc_const_bitmap_t bitmap)
Duplicate bitmap bitmap by allocating a new bitmap and copying bitmap contents.
hwloc_bitmap_intersects
int hwloc_bitmap_intersects(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)
Test whether bitmaps bitmap1 and bitmap2 intersects.
hwloc_obj
Structure of a topology object.
Definition: hwloc.h:396
hwloc_obj::children
struct hwloc_obj ** children
Normal children, children[0 .. arity -1].
Definition: hwloc.h:456
hwloc_obj::nodeset
hwloc_nodeset_t nodeset
NUMA nodes covered by this object or containing this object.
Definition: hwloc.h:540
hwloc_obj::depth
int depth
Vertical index in the hierarchy.
Definition: hwloc.h:419
hwloc_obj::misc_first_child
struct hwloc_obj * misc_first_child
First Misc child. Misc objects are listed here (misc_arity and misc_first_child) instead of in the no...
Definition: hwloc.h:505
hwloc_obj::subtype
char * subtype
Subtype string to better describe the type field.
Definition: hwloc.h:399
hwloc_obj::os_index
unsigned os_index
OS-provided physical index number. It is not guaranteed unique across the entire machine,...
Definition: hwloc.h:401
hwloc_obj::cpuset
hwloc_cpuset_t cpuset
CPUs covered by this object.
Definition: hwloc.h:512
hwloc_obj::next_sibling
struct hwloc_obj * next_sibling
Next object below the same parent (inside the same list of children).
Definition: hwloc.h:448
hwloc_obj::next_cousin
struct hwloc_obj * next_cousin
Next object of same type and depth.
Definition: hwloc.h:442
hwloc_obj::io_first_child
struct hwloc_obj * io_first_child
First I/O child. Bridges, PCI and OS devices are listed here (io_arity and io_first_child) instead of...
Definition: hwloc.h:493
hwloc_obj::arity
unsigned arity
Number of normal children. Memory, Misc and I/O children are not listed here but rather in their dedi...
Definition: hwloc.h:452
hwloc_obj::memory_first_child
struct hwloc_obj * memory_first_child
First Memory child. NUMA nodes and Memory-side caches are listed here (memory_arity and memory_first_...
Definition: hwloc.h:475
hwloc_obj::prev_cousin
struct hwloc_obj * prev_cousin
Previous object of same type and depth.
Definition: hwloc.h:443
hwloc_obj::type
hwloc_obj_type_t type
Type of object.
Definition: hwloc.h:398
hwloc_obj::attr
union hwloc_obj_attr_u * attr
Object type-specific Attributes, may be NULL if no attribute value was found.
Definition: hwloc.h:415
hwloc_obj::parent
struct hwloc_obj * parent
Parent, NULL if root (Machine object)
Definition: hwloc.h:446
hwloc_obj::first_child
struct hwloc_obj * first_child
First normal child.
Definition: hwloc.h:457
hwloc_obj_attr_u::pcidev
struct hwloc_obj_attr_u::hwloc_pcidev_attr_s pcidev
hwloc_obj_attr_u::bridge
struct hwloc_obj_attr_u::hwloc_bridge_attr_s bridge
hwloc_obj_attr_u::cache
struct hwloc_obj_attr_u::hwloc_cache_attr_s cache
hwloc_obj_attr_u::hwloc_cache_attr_s::depth
unsigned depth
Depth of cache (e.g., L1, L2, ...etc.)
Definition: hwloc.h:618
hwloc_obj_attr_u::hwloc_cache_attr_s::type
hwloc_obj_cache_type_t type
Cache type.
Definition: hwloc.h:622
hwloc_obj_attr_u::hwloc_pcidev_attr_s::dev
unsigned char dev
Definition: hwloc.h:639
hwloc_obj_attr_u::hwloc_pcidev_attr_s::func
unsigned char func
Definition: hwloc.h:639
hwloc_obj_attr_u::hwloc_pcidev_attr_s::domain
unsigned short domain
Definition: hwloc.h:635
hwloc_obj_attr_u::hwloc_pcidev_attr_s::bus
unsigned char bus
Definition: hwloc.h:639
hwloc_obj_attr_u::hwloc_bridge_attr_s::downstream
union hwloc_obj_attr_u::hwloc_bridge_attr_s::@1 downstream
hwloc_obj_attr_u::hwloc_bridge_attr_s::pci
struct hwloc_pcidev_attr_s pci
Definition: hwloc.h:648
hwloc_obj_attr_u::hwloc_bridge_attr_s::downstream_type
hwloc_obj_bridge_type_t downstream_type
Definition: hwloc.h:661